any of the acids (as abietic acid or pimaric acid) found free or in the form of esters in rosin, other natural resins, and tall oil and used chiefly in the form of salts (as sodium resinate or metallic soaps)
Looduslikke vaike iseloomustatakse nende komponentide või neile sarnaste ainete e. vaikhapete (resin acids) järgi, millest abietiinhape (C19H29COOH) on olulisim.
